Home / 17,390.77-26,086.37-4,911.10

Finding the Fourth Proportional to 17,390.77, 26,086.37 and 4,911.10

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Solution

The fourth proportional to 17,390.77, 26,086.37 and 4,911.10 is: 7,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.77 : 26,086.37 = 4,911.10 : x
  2. Step 2: Convert to fraction form
    17,390.77/26,086.37 = 4,911.10/x
  3. Step 3: Cross multiply
    17,390.77x = 26,086.37 × 4,911.10
  4. Step 4: Simplify right side
    17,390.77x = 128,112,771.71
  5. Step 5: Solve for x
    x = 128,112,771.71/17,390.77
  6. Step 6: Final answer
    x = 7,366.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.